Li, Peng
Xing, Kai
Qiao, Hong
Fang, Huiying
Ma, Hongkun
Jiao, Mingli
Hao, Yanhua
Li, Ye
Liang, Libo
Gao, Lijun
Kang, Zheng
Cui, Yu
Sun, Hong
Wu, Qunhong
Liu, Ming
Funding for this research was provided by:
Natural Science Foundation of China (71273002, 71473064)
Education Department of Heilongjiang Province (JGXM-HLJ-2014087)
Talent Cultivation Program of Heilongjiang Province (1252-NCET-020)
China Postdoctoral Research Fund First Aid and Special Aid (2015M570211, 2016T90181)
Article History
Received: 13 April 2017
Accepted: 21 May 2018
First Online: 5 June 2018
Ethics approval and consent to participate
: Ethical approval was granted by the Institutional Review Board of Harbin Medical University before data collection commenced, and all procedures were approved by each study hospital. All participants gave their informed content to participate (Project Identification Code: HMUIRB20160014).
: This study has obtained consent to publish from the participants to report individual data.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.